有限投影几何
geometries projective finite
finite geometries
projective
等角投影数值变换
Numerical transformation between conformal projections
不完全投影数据
incomplete projection data
Incomplete projection
incomplete projections
低分辨扇形束投影数据
Low resolution fan beam projection data
多维数据投影
multidimensional data projection
投影数据不完备
incomplete projection data